: Great Britain performed a nuclear test at the Nevada Test Site in the United States.
: Spanish professional footballer who has played for Barcelona and Chelsea. Notable Deaths
: New York Yankees first baseman Don Mattingly hit his fourth grand slam of the season, tying the American League record. He also tied a record for hitting home runs in six consecutive games. Sexteen July 1987
: Moroccan athlete Said Aouita set a new world record in the 2000m run with a time of 4:50.81.
: The U.S. State Department sought an explanation from Pakistan regarding a plot to illegally export nuclear-related materials, specifically beryllium and maraging steel, from the U.S. for its nuclear program. : Great Britain performed a nuclear test at
Thursday, July 16, 1987, was marked by significant geopolitical tensions involving nuclear development and domestic political anniversaries in the United States. In the sports world, a notable Major League Baseball record was tied on this day.
: Domestic news in the U.S. remained dominated by the ongoing Iran-Contra hearings, with Admiral John Poindexter providing testimony. Notable Births He also tied a record for hitting home
: In Philadelphia, members of Congress gathered to commemorate the 200th anniversary of the Great Compromise of 1787, which established the dual-chamber (House and Senate) system of the U.S. government.